When white-collar workers have opinions

"The mobile revolution has given end-users the power to find new software, new ideas and new content all by themselves," he says.

"If our users find a new mobile app that gives a better way to do their expense claim easily and efficiently, they will put pressure on their employer and say, 'Why are we using Concur when we have this app which is so cool and easy to use?'," Tetaz explains.

Concur turns start-up investor to develop its ecosystem